<html>
  <body>
    <span metal:define-macro="test1">test1</span>
    <metal:block define-macro="test2">test2</metal:block>

    <span metal:use-macro="test1"/>
    <span metal:use-macro="test2"/>
    <metal:block use-macro="test1"/>
    <metal:block use-macro="test2"/>
  </body>
</html>
